1 files changed, 27 insertions, 0 deletions
diff --git a/fw/fe310/eos/i2c/bq25895.c b/fw/fe310/eos/i2c/bq25895.c
new file mode 100644
index 0000000..934b5e7
--- /dev/null
+++ b/fw/fe310/eos/i2c/bq25895.c
@@ -0,0 +1,27 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "eos.h"
+#include "i2c.h"
+#include "i2c/bq25895.h"
+
+void eos_bq25895_init(void) {
+    uint8_t data = 0;
+    int i, ret = EOS_OK;
+
+    eos_i2c_start(100000);
+    ret = eos_i2c_write8(BQ25895_ADDR, 0x07, 0x8d);   // disable watchdog
+    if (ret) printf("I2C ERROR 0x07\n");
+    ret = eos_i2c_write8(BQ25895_ADDR, 0x00, 0x28);   // 2.1A input current
+    if (ret) printf("I2C ERROR 0x00\n");
+    ret = eos_i2c_write8(BQ25895_ADDR, 0x03, 0x1e);   // sysmin 3.7, disable otg
+    if (ret) printf("I2C ERROR 0x03\n");
+
+    printf("BQ25895:\n");
+    for (i=0; i<0x15; i++) {
+        ret = eos_i2c_read8(BQ25895_ADDR, i, &data);
+        if (!ret) printf("REG%02x: %02x\n", i, data);
+    }
+    eos_i2c_stop();
+}